y^2-289=

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Solution for y^2-289= equation: 


Simplifying
y2 + -289 = 0

Reorder the terms:
-289 + y2 = 0

Solving
-289 + y2 = 0

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '289' to each side of the equation.
-289 + 289 + y2 = 0 + 289

Combine like terms: -289 + 289 = 0
0 + y2 = 0 + 289
y2 = 0 + 289

Combine like terms: 0 + 289 = 289
y2 = 289

Simplifying
y2 = 289

Take the square root of each side:
y = {-17, 17}

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